1290207471 has 32 divisors (see below), whose sum is σ = 2058977280. Its totient is φ = 702640224.

The previous prime is 1290207467. The next prime is 1290207473. The reversal of 1290207471 is 1747020921.

It is not a de Polignac number, because 1290207471 - 2² = 1290207467 is a prime.

It is a super-3 number, since 3×1290207471³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1290207473) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 131970 + ... + 141408.

It is an arithmetic number, because the mean of its divisors is an integer number (64343040).

Almost surely, 2^1290207471 is an apocalyptic number.

1290207471 is a deficient number, since it is larger than the sum of its proper divisors (768769809).

1290207471 is a wasteful number, since it uses less digits than its factorization.

1290207471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9755.

The product of its (nonzero) digits is 7056, while the sum is 33.

The square root of 1290207471 is about 35919.4581111687. The cubic root of 1290207471 is about 1088.6455895705.

The spelling of 1290207471 in words is "one billion, two hundred ninety million, two hundred seven thousand, four hundred seventy-one".